Helmet visor



FIG. 1 is a perspective view of a helmet visor showing our new design;

FIG. 2 is a front view of the helmet visor of FIG. 1;

FIG. 3 is a rear view of the helmet visor of FIG. 1;

FIG. 4 is a left side view of the helmet visor of FIG. 1;

FIG. 5 is a right side view of the helmet visor of FIG. 1;

FIG. 6 is a bottom view of the helmet visor of FIG. 1; and,

FIG. 7 is a top view of the helmet visor of FIG. 1.

The broken lines of FIGS. 1-7 represent environmental structure of the helmet visor and form no part of the claimed design. 

CLAIM The ornamental design for a helmet visor, as shown and described. 